Anti-fake digital optic disc
The utility model belongs to a CD-R and DVD-R optical disc recorded with anti-counterfeiting digital, which comprises a disc base plate, a data layer and a reflecting layer, wherein, a layer of description recording layer marking the describing items of the CD-R and DVD-R optical disc is also arrang...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model belongs to a CD-R and DVD-R optical disc recorded with anti-counterfeiting digital, which comprises a disc base plate, a data layer and a reflecting layer, wherein, a layer of description recording layer marking the describing items of the CD-R and DVD-R optical disc is also arranged outside the reflecting layer, and a signal pit with the anti-counterfeiting digital is engraved in the data layer. The utility model can provide and display anti-counterfeiting information, check the genuine and the fake properties of the anti-counterfeiting digital through a telephone, a computer or an Internet and can effectively protect certified products and strike fake and poor products. |
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